Advertisements
Advertisements
Question
Exercise.
Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5 A.
Advertisements
Solution
Given: Time ‘t’ = 2 hours = 2 × 60 × 60s
t = 7200s
I = 2.5A
Amount of charge, Q = I × t
= 2.5 × 7200
Q = 18000C
APPEARS IN
RELATED QUESTIONS
Ohm's law state a relation between potential difference and ___________.
Calculate the power used in the 2 Ω resistor in each of the following circuits: a 4 V battery in parallel with 12 Ω and 2 Ω resistors.
How is the electric potential difference between the two points defined? State its S.I. unit.
Write proper word from the following group of words in the blank.
(magnetism, 4.5V, 3.0V, gravitational attraction, potential difference, potential, higher, lower, 0V)
Water in the waterfall flows from a higher level to the lower level because of ______.
Electric cells having 2V potential difference each have been connected in the form of a battery. What will be the total potential difference of the battery in both cases?
Find the resistance of a conductor if the electric current flowing through it is 0.35 A when the potential difference across it is 1.4 V.
Point out two differences between e.m.f. and potential difference as applied to electric circuits.
A 10 m long wire of a particular material is of reistance 5Ω What will be the resistance of 5m long wire of same material and the same thickness.
Name the instrument which is used to measure the potential difference.
A negative charge will move from ______ to ______ potential.
